Is CVE-2021-25091 in the CISA KEV catalog?

No. CVE-2021-25091 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-25091?

CVE-2021-25091 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-25091?

CVE-2021-25091 has an EPSS score of 0.80% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-25091?

Upgrade link library to 7.2.9 or later.

CVE & CISA-KEV Catalog

CVE-2021-25091

MEDIUM

6.1

CVSS v3

NVD

Description

The Link Library WordPress plugin before 7.2.9 does not sanitise and escape the settingscopy parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

link libraryNVD

Affected:< 7.2.9Fixed in:7.2.9CVE-2021-25091derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.80%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Exploit1

wpscan.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

Embed a live status badge for CVE-2021-25091

Markdown

[![CVE-2021-25091](https://tridentstack.com/cve/badge/CVE-2021-25091.svg)](https://tridentstack.com/cve/CVE-2021-25091)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-25091"><img src="https://tridentstack.com/cve/badge/CVE-2021-25091.svg" alt="CVE-2021-25091"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.